A Christian who believes that the substance and nature of God the Father and God the Son are different; an Arian.
Origin of heteroousian
- From Greek heteroousios differing in substance hetero- hetero- ousiā substance, nature Homoiousian
From American Heritage Dictionary of the English Language, 5th Edition
- From Greek á¼‘Ï„ÎµÏÎ¿Î¿Ï…ÏƒÎ¹Î¿Ï‚, from hetero- "˜different' + Î¿Ï…ÏƒÎ¹Î± "˜essence'.